# -*- coding: utf-8 *-*

#   This file is part of Sql-Rice.
#
#    Sql-Rice is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 3 of the License, or
#    (at your option) any later version.
#
#    Sql-Rice is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with Sql-Rice; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA


from string import Template

(TEXT, NUMBER, DATE, RANGE, ENUM) = range(1, 6)


def not_implemented_property(name, _type, doc):
    msg = 'Property ${name}:${_type} is not properly implemented,' + \
    ' absent ${method} method'
    t = Template(msg)
    get_msg = t.substitute(name=name, _type=_type, method='geter')
    set_msg = t.substitute(name=name, _type=_type, method='seter')

    def geter(self):
        raise NotImplementedError(get_msg)

    def seter(self, value):
        raise NotImplementedError(set_msg)

    return property(geter, seter, doc)


class BaseWidget(object):

    def __init__(self):
        self.read_only = not_implemented_property('read_only', bool, '')
        self.value = not_implemented_property('value', object, '')
        self.skin = not_implemented_property('skin', dict, '')

    def attach_rules(self, rules):
        raise NotImplementedError()

    def valide(self):
        raise NotImplementedError()
